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Table 1 Demographic and pregnancy characteristic

From: Risk factors for postpartum haemorrhage in women with histologically verified placenta accreta spectrum disorders: a retrospective single-centre cross-sectional study

  

Women with PPH

Women without PPH

  

(n = 879)

(n = 1150)

Maternal age (SD) (years)

 

33.1 (5.0)

33.5 (5.4)

Age (%)

< 35 years

538 (61.2)

658 (57.2)

 

35–39 years

264 (30.0)

339 (29.5)

 

≥ 40 years

77 (8.8)

153 (13.3)

Gravidity (IQR)

 

2 (1–3)

2 (1–3)

Gravidity (%)

0–1 gravida

347 (39.5)

483 (42.0)

 

2–4 gravida

488 (55.5)

600 (52.2)

 

≥ 5 gravida

44 (5.0)

67 (5.8)

Parity (IQR)

 

1.0 (1–2)

1.0 (1–2)

Parity (%)

0–1 para

489 (55.6)

716 (62.3)

 

2–3 para

368 (41.9)

403 (35.0)

 

≥ 4 para

22 (2.5)

31 (2.7)

BMI (SD) (kg/m2)

 

28.1 ± 4.7

28.9 ± 5.3

BMI (%)

< 30 kg/m2

615 (70.0)

726 (63.1)

 

30-39.9 kg/m2

241 (27.4)

382 (33.2)

 

≥ 40 kg/m2

23 (2.6)

42 (3.7)

Smoking (%)

 

82 (9.3)

100 (8.7)

Singleton pregnancy (%)

 

773 (87.9)

931 (81.0)

Multiples (%)

 

106 (12.1)

219 (19.0)

Placental abruption (%)

 

8 (1.7)

31 (3.7)

Placenta praevia (%)

 

60 (6.8)

44 (3.8)

Hypertension/Preeclampsia (%)

 

73 (8.3)

158 (13.7)

GDM (%)

 

97 (11.0)

140 (12.2)

Infection in pregnancy (%)

 

116 (13.2)

203 (17.7)

Bleeding in pregnancy (%)

 

142 (16.2)

143 (12.4)

Blood loss (IQR) (ml)

 

1200 (900–1700)

500 (400–600)

Previous abortion curettage (%)

 

252 (28.7)

372 (32.3)

Abortion curettage < 12 weeks (%)

 

267 (30.4)

392 (34.0)

Abortion curettage 12–18 weeks (%)

 

34 (3.9)

45 (3.9)

Abortion curettage > 18 weeks (%)

 

13 (1.5)

23 (2.0)

Previous hysteroscopic surgery/ curettage (%)

 

56 (6.4)

65 (5.7)

Previous Caesarean section (%)

 

106 (12.1)

205 (17.8)

Previous myomectomy (%)

 

13 (1.5)

24 (2.1)

Asherman syndrome (%)

 

8 (0.9)

16 (1.4)

Previous manual placenta removal (%)

 

103 (11.7)

69 (6.0)

Assisted reproductive technology (%)

 

142 (16.2)

202 (17.6)

Previous endometritis (%)

 

14 (1.6)

8 (0.7)

Suspected ultrasound markers (%)

 

36 (4.1)

19 (1.7)

Preterm birth (%)

 

176 (20.0)

409 (35.6)

Neonatal death (%)

 

1 (0.2)

1 (0.1)

Vaginal non-operative delivery

 

466 (53.0)

203 (17.7)

Vaginal operative delivery

 

213 (24.2)

57 (5.0)

Elective Caesarean section

 

114 (13.0)

418 (36.3)

Non-elective Caesarean section

 

86 (9.8)

472 (41.0)

  1. Categorical variables are presented as counts and (percentages)
  2. Continuous variables are expressed as mean and (standard deviation)
  3. Non-normally distributed variables are presented with their median and (Inter-Quartile Range)
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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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